<strong>St<strong>and</strong>ard</strong> <strong>Operating</strong> <strong>Procedures</strong> <strong>for</strong> <strong>Permitting</strong> <strong>of</strong> <strong>Chemicals</strong> <strong>and</strong> Hazardous Materials in Abu Dhabi an existing permitted facility, including the addition <strong>of</strong> new chemicals or hazardous materials <strong>and</strong> process changes. Permits must be renewed annually. Based on the UN classification system (UN, 1998) there are nine major hazard classes as shown in Table 1 below. Facilities/companies dealing with chemicals <strong>and</strong> hazardous materials in other ways (e.g., industrial facilities <strong>and</strong> waste treatment facilities) will also have to be permitted by EAD. However, permitting procedures <strong>for</strong> most <strong>of</strong> these facilities <strong>and</strong> the relevant conditions <strong>and</strong> codes <strong>of</strong> practice are contained in other EAD documents. 2
<strong>St<strong>and</strong>ard</strong> <strong>Operating</strong> <strong>Procedures</strong> <strong>for</strong> <strong>Permitting</strong> <strong>of</strong> <strong>Chemicals</strong> <strong>and</strong> Hazardous Materials in Abu Dhabi UN Class 1 Explosives Table 1. UN Classes <strong>and</strong> Subclasses <strong>of</strong> Hazardous Materials UN Classes <strong>and</strong> Subclasses <strong>of</strong> Hazardous Materials 1.1 Explosives that have a mass explosion hazard. A mass explosion is one that affects almost the entire load instantaneously. Examples include ammonium perchlorate, barium styphnate, <strong>and</strong> trinitronaphthalene. 1.2 Explosives that have a projection hazard but not a mass explosion hazard. Examples include smoke ammunition, tear-producing ammunition, <strong>and</strong> toxic ammunition. 1.3 Explosives that have a fire hazard <strong>and</strong> either a minor blast hazard or a minor projection hazard or both, but not a mass explosion hazard. Examples include deflagrating metal salts <strong>of</strong> aromatic nitro derivatives, toxic ammunition, practice ammunition, <strong>and</strong> smoke ammunition. 1.4 Explosives that present a minor explosion hazard. The explosive effects are largely confined to the package <strong>and</strong> no projection <strong>of</strong> fragments <strong>of</strong> appreciable size or range is to be expected. Examples include nonelectric detonator assemblies <strong>for</strong> blasting, electric detonators <strong>for</strong> blasting, detonators <strong>for</strong> ammunition, practice ammunition, cartridges <strong>for</strong> weapons, safety fuses, <strong>and</strong> fuse lighters. 1.5 Very insensitive explosives. These are substances that have a mass explosion hazard but are so insensitive that there is little probability <strong>of</strong> initiation or <strong>of</strong> transition from burning to detonation under normal conditions <strong>of</strong> transport. Examples include blasting explosives <strong>and</strong> other very insensitive explosive substances. 1.6 Extremely insensitive articles that do not have a mass explosion hazard. These are substances that contain only extremely insensitive detonating substances <strong>and</strong> demonstrate a negligible probability <strong>of</strong> accidental initiation or propagation. 2 Gases 2.1 Flammable gases (e.g., propane, butane, ethyl fluoride, <strong>and</strong> anhydrous trimethyamine). 2.2 Non-flammable, nonpoisonous compressed gases (e.g., compressed oxygen, carbon dioxide, compressed nitrogen, <strong>and</strong> nitrogen trifluoride). 2.3 Poisonous gas (by inhalation). Presumed to be poisonous because they have an LD50 value equal to or less than 5,000 ppm. 3 Flammable Liquids Liquids, mixtures <strong>of</strong> liquids, or liquids containing solids in solution or in suspension (e.g., paints, varnishes, lacquers) that give <strong>of</strong>f a flammable vapor at temperatures <strong>of</strong> not more than 61ºC. 4 Flammable Solids 4.1 Flammable solids (e.g., gelatin-coated, nitrocellulose-based films <strong>and</strong> trinitrotoluene). 4.2 Spontaneously combustible materials (e.g., pyrophoric titanium trichloride, sodium hydrosulfite). 4.3 Dangerous when wet (e.g., lithium hydride, magnesium powder, alkaline earth metal alloys, <strong>and</strong> amalgams). 5 Oxidizers <strong>and</strong> Organic Peroxides 5.1 Oxidizers (e.g., calcium permanganate, sodium chlorite, <strong>and</strong> lead perchlorate). 5.2 Organic peroxides (e.g., methyl ethyl ketone peroxides (types B, C, <strong>and</strong> D), liquid, <strong>and</strong> dicetyl peroxide (type D), liquid, temperature controlled). 6 Toxic Materials <strong>and</strong> Infectious Substances 6.1 Toxic substances (e.g., liquid triazine pesticides, thioglycal, thallium nitrate, <strong>and</strong> carbon tetrachloride). 6.2 Infectious substances (e.g., biological cultures <strong>and</strong> medical wastes). 7 Radioactive Material Examples <strong>of</strong> this class include cobalt, gallium, plutonium, <strong>and</strong> other radio nuclides. 8 Corrosive Materials Examples <strong>of</strong> this class include zinc chloride, sodium hydrogen fluoride solution, <strong>and</strong> calcium oxide. 9 Miscellaneous Hazardous Material Examples <strong>of</strong> this class include plastic molding material in dough, sheet, or rope <strong>for</strong>m; exp<strong>and</strong>able polystyrene bead; <strong>and</strong> evolving flammable vapor. 3
Change language